Trait AnnotateErrorOrigin

pub trait AnnotateErrorOrigin:
    'static
    + Send
    + Sync
    + Error {
    // Required method
    fn with_origin(self, origin: &'static str) -> Self;
}

A trait to support the origin annotation such that errors across subsystems can be easier tracked.

Required Methods

fn with_origin(self, origin: &'static str) -> Self

Annotate the error with a origin str.

Commonly this is used to create nested enum variants.

E::WithOrigin("I am originally from Cowtown.", E::Variant)

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors